TABLE 7 
Material, sizes and weights of the nests of the Prairie Horned Lark at Evanston, Ill., 1926 
N ee Materials Measurements (centimeters) Weight 
No. Completed* T a 
‘op ext. Top int. Depth Depth grams 
Amount Body of nest Lining dim. dim. inside overall 
1 March 22.,.,...}| Much......]| Stems and leaves of blue] Fine grass, heads of 
e (Poa pratensis)..| aster 21,3 
3 April 1 (No record) 8.4 6.6 5.5 634... a eR 
4 April 12 (No record) o.1 eck 4.6 Core Serine PSS aati Gant 
5 April 12 (No record) 8.1 6.6 4.8 ant wales AR aS ‘ 
7 April 13 (No record) 8.6 6.4 4.5 Gir ae ks ‘ 
8 pril Fine grass only (Poa Aster heads, grass 
os tae a vo ahh, CoC ne 8.9 Be he as ue yi Seidl exe flat oe 1s 
9 April 13 rass stems and leaves.| Feather, paper bits, fine 
grass stems and leaves. 9.6 6.7 3.8 Glo hae ar 
10 A Tacs... . Much......| Coarser stems, leaves,| Aster s, plan 
BONG GE. ess ROPE ea as 9.6 7.6 4.1 5.8 12.1 
il April 14 Grass leaves, stems....| Fine roots, aster heads, 
grass leaves.......... 8.8 6.4 5.9 450° Shi eee . 
12 April 14 GNo record)... 66. .eh. 9.2 6.7 4.1 pout Wiican Sere Ayers Gt i 
13 April 26..... Medium.. * few te pre om or Srempi grass 
leaves, weed s PE OBVOR Si cece ES 7.6 6.4 4.6 6.4 9.4 
14 April 27 (No moe mei 10.1 4.5 5.0 6402 hee eae 
15 ay 3 RO FOCOTG) ke hey os chs ee ek 8.6 a7 5.0 6.9. Cie Z 
17 May O. vice. ...| Medium.... Pine, sy seg OME ies: Grass leaves, — — 8.0 6.6 5.1 T8238 eee 
18 MAY 2) ics... Much...... Grass — and leaves,| Fine plant fiber 
few fine roots......... grass leav eres a 8.9 tek 4.8 6.7 14.7 
19 May 22 iether cae scrap Paper S. . 
Of GION ee Se ai fibre, pring eae 9.1 6.7 4.8 6.) fae ‘ 
21 dune GU. 2.53.5... Small......| Stems of Setaria, other 
coarse material, much 
dirt Same as body......... 8.6 6.9 4.8 5.9 14.9 
22 June 17........ Small......| Some roots, stems — 
leaves of grass, dirt. ..| Paper, heads of aster .. 8.9 7.4 3.0 5.8 10.1 
23 June 22 ae Much... 2. Roots, coarse stems and 
weed leaves, much dirt.| Same as body......... 9.2 7.8 4.8 6.3 24.4 
24 June 37... ....:} Moch...:; arse Wi stems and 
leaves, afew roots, art. Same as body......... 8.4 6.7 4.6 5.8 15.4 
Average: 8.82 6.87 4.65 6.27 15.28 
*Estimated. 
wouonpoidagy 
